Horsfieldia corrugata

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Horsfieldia corrugata


Tree 5-12 m. Leaves thinly coriaceous, elliptic-oblong, 12-29(-32) by 4.5-8.5(-10) cm, base attenuate, apex acute-acuminate; Inflorescences below the leaves, with rusty stellate hairs 0.1 mm long or less; Fruits l(-4) per infructescence, ramiflorous, broadly ellipsoid to subglobose, somewhat flattened, 6-7.5 by 4.5-6.5 cm, coarsely flanged and corrugated, drying blackish brown, with scattered, coarse, paler coloured tubercles, glabrescent, at base sometimes a short pseudostalk, apex acutish, pericarp ± woody-corky, 10-20 mm thick;


Asia-Tropical, Central present, Milne Bay Prov present, Northern present, Papua New Guinea present
Malesia: Papua New Guinea (Central, Northern, Milne Bay Prov.).


When in flower, H. corrugata may be difficult to distinguish from, e.g., H. pachycarpa, H. tuberculata, or certain forms of H. laevigata. However, the few coarse and conspicuous blackish brown wart-like dots on the perianth, found in male and female flowers, help to characterize H. corrugata. The large, corrugated and ridged thick-lobed fruits are also distinctive, those of the other species may be similar but not ridged.


W.J. de Wilde 1985: p. 130. – In: Gard. Bull. Sing.: f. 20a-c.